Website: http://gpapps.com
Number of applications: 250+
Focus Area: Based on number of applications this company seems to be most innovative. They also have applications in most of the categories.

2. IndiaNIC, LLC

Website: http://iphoneapps.indianic.com/
Number of applications: 200
Focus Area: This Company seems to have found its niche in the application development. They have been focusing on the Spiritual reference books which encompass almost all the religions.
Price Range: The price of IndiaNic’s applications seems to be varying from $0.99 to $7.99 and coincidently this company has followed the same strategy of giving only 1 application for free.

3. Paragon Technologie GmbH

Website: http://penreader.com/
Number of applications: 175+
Focus Area: Paragon Technologie is fully focused on providing dictionaries for various languages. I didn’t find single application which was not related to dictionaries.
Price Range: The price point of view this seems to be providing luxury applications and the prices start from $9.99 and they go all the way upto $59.99. Needless to say they do not offer any free apps.

4. Innovative Language Learning, LLC

Website: http://www.innovativelanguage.com
Number of applications: 150+
Focus Area: As the name suggests this company is focused on providing Audio lessons for learning languages.
Price Range: This Company offers free lite applications for most of languages to give an idea of how effective such apps are. Most of other applications are for $0.99 and it doesn’t seem to be bad idea to try out rather than spending 100s of dollars on Rosettanet.

5. Renkara Media Group, Inc.

Website: http://www.accelastudy.com
Number of applications: 150+
Focus Area: Similar to Innovative Language Learning, Renkara is also focused on providing applications for learning new languages.
Price Range: 90% of Renkara’s applications are priced at $14.99 and remaining 9% are at $4.99.

6. Appsessions, LLC

Website: http://audiolearn.net
Number of applications: 100+
Focus Area: The applications from Appsessions concentrate on Entertainment and Educational Audio books and Study Guides. You will find study guides for various important tests like MCAT, TOFEL etc.
Price Range: Almost all the Audio books are priced at $0.99 while the study guides are priced$14.99 or more.

7. JewishContent.org

Website: http://www.jewishcontent.org/
Number of applications: 100+
Focus Area: As the name suggests these are Reference applications for Judaism, the Jewish religion.
Price Range: Most of the applications provided by JewishContent.org are free.

8. DMBC

Website: http://ebookapp.com
Number of applications: about 100
Focus Area: DMBC provides applications from various genres ranging from iphone ebooks, games, business and finance apps etc.
Price Range: 80% of DMBC’s applications are priced at $0.99 and the rest have various price ranges, Though 6 apps are free.

9. Chillingo Ltd

Website: http://www.clickgamer.com/
Number of applications: about 100
Focus Area: Chillingo focuses on Lite Gaming applications but they also offer other genre apps like Utilities, Education and many more.
Price Range: A few Gaming applications are free but for the rest the price ranges from $0.99-$6.99.

10. Sehat Rosny

Website: http://gohophop.blogspot.com
Number of applications: about 100
Focus Area: This Company provides the travel guides for most of the famous travel destinations.
Price Range: All the applications provided by Sehat Rosny are priced at $0.99.